ISA Board Certified Master Arborist®

The ISA Board Certified Master Arborist® credential is the highest level of certification offered by ISA. This credential recognizes ISA Certified Arborists® who have reached the pinnacle of their profession. In addition to passing an extensive scenario-based exam, candidates must abide by a Code of Ethics, which ensures quality of work. Fewer than two percent of all ISA Certified Arborists® currently hold this certification.

To be eligible for the exam, you must be an ISA Certified Arborist in good standing and have a sufficient amount of any or all of the following:

• Measurable experience

• Formal education

• Related credentials

• Professional experience